Exhaust pipe



FIG. 1 is a front, top and left side perspective view of an exhaust pipe showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a cross-sectional view take along line 8-8 in FIG. 2; and,

FIG. 9 is a cross-sectional view take along line 9-9 in FIG. 6. 

CLAIM We claim the ornamental design for an exhaust pipe, as shown (and described). 